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 Showing results 1 to 10 of 10 Search took 0.00 seconds. Search: Posts Made By: R2357
 Forum: Puzzles 2020-10-16, 05:10 Replies: 32 Views: 2,072 Posted By R2357 1, 3 I would guess the triangular numbers, at least, it's a possibility.
 Forum: Puzzles 2020-10-12, 15:29 Replies: 32 Views: 2,072 Posted By R2357 Kruoli, for b=30, I found 41449031306819 Kruoli, for b=30, I found 41449031306819
 Forum: Puzzles 2020-10-12, 15:13 Replies: 32 Views: 2,072 Posted By R2357 Yes, but that wasn't what I had in mind, it's... Yes, but that wasn't what I had in mind, it's already been found.
 Forum: Puzzles 2020-10-12, 15:02 Replies: 32 Views: 2,072 Posted By R2357 Sorry, I should have written base 10 Sorry, I should have written base 10
 Forum: Puzzles 2020-10-12, 15:00 Replies: 32 Views: 2,072 Posted By R2357 How did you get the result for b=30, I didn't get... How did you get the result for b=30, I didn't get the same.
 Forum: Puzzles 2020-10-12, 14:58 Replies: 32 Views: 2,072 Posted By R2357 OEIS I don't know about the last one but fore base 30, I checked and it seems that OEIS is right, it's not prime.
 Forum: Puzzles 2020-10-12, 14:39 Replies: 32 Views: 2,072 Posted By R2357 I meant that the last digit to occur in both,... I meant that the last digit to occur in both, after all the others already occured is 0
 Forum: Puzzles 2020-10-12, 05:58 Replies: 32 Views: 2,072 Posted By R2357 Another riddle :) Here goes, what do pi and the prime number sequence have in common (apart from pi's usage in the prime counting function and in the Gapcoin symbol)?
 Forum: Puzzles 2020-10-11, 18:55 Replies: 32 Views: 2,072 Posted By R2357 Well done! Well done!
 Forum: Puzzles 2020-10-11, 18:10 Replies: 32 Views: 2,072 Posted By R2357 A little puzzle Hello, I thought I would give the forum a little puzzle that I made :) Here is the puzzle : What do the numbers 3, 4, 5, 9, 10 and 15 have in common? ...
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